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sergiy2304 [10]
2 years ago
14

He dose of a medicine is 3.0 mg/kg of body mass. Calculate the dose in milligrams for a 112-lb person.

Chemistry
1 answer:
AURORKA [14]2 years ago
8 0
150 I’m pretty sure
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How many moles of methanol are required to produce 4.19 moles of water
Harrizon [31]

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3 years ago
Type the correct answer in the box. Express your answer to three significant figures.
satela [25.4K]

Answer:

The partial pressure of argon in the jar is 0.944 kilopascal.

Explanation:

Step 1: Data given

Volume of the jar of air = 25.0 L

Number of moles argon = 0.0104 moles

Temperature = 273 K

Step 2: Calculate the pressure of argon with the ideal gas law

p*V = nRT

p = (nRT)/V

⇒ with n = the number of moles of argon = 0.0104 moles

⇒ with R = the gas constant = 0.0821 L*atm/mol*K

⇒ with T = the temperature = 273 K

⇒ with V = the volume of the jar = 25.0 L

p = (0.0104 * 0.0821 * 273)/25.0

p = 0.00932 atm

1 atm =101.3 kPa

0.00932 atm = 101.3 * 0.00932 = 0.944 kPa

The partial pressure of argon in the jar is 0.944 kilopascal.

5 0
3 years ago
Need help ASAP PLS SCIENCE
ANEK [815]

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3

m/s2

0.2

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